My Chinese blog website about math optimization/c++/python/java/matlab/statistics/academic career reflections is here, which has been viewed by 6.13 million times (data till June 2025).

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• About Chinese research environment

  1 min read   ·   December 27, 2018

  2018   ·   academic life  

• Gaps between business research and reality

  1 min read   ·   December 03, 2018

  2018   ·   academic life     ·   academic life  

• A query about one paper

  2 min read   ·   November 29, 2018

  2018   ·   dynamic programming   cash-flow inventory   paper reading   inventory     ·   paper-reading  

• Difference between sup, inf and min, max

  2 min read   ·   July 27, 2018

  2018   ·   sup   inf   max   min     ·   optimization  

  

• Saddle point in optimization theory

  3 min read   ·   November 07, 2016

  2016   ·   saddle point   Hessian matrix   indefinite matirx     ·   optimization